黄瑶拿一张正方形的纸按右图所示沿虚线连续对折后剪去带直角的部

黄瑶拿一张正方形的纸按右图所示沿虚线连续对折后剪去带直角的部分，然后打开后的形状是（）

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黄瑶拿一张正方形的纸按右图所示沿虚线连续对折后剪去带直角的部

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